| Off-white crystalline powder | 98.0% |
| Item | Specification | Results | |
| Organoleptic Tests | |||
| Appearance | Off white to powder | Off white to powder | |
| Odor and Taste | Characteristic | Characteristic | |
| Identification | |||
| Identification | Retention time of the peak meets R.S. | Retention time of the peak meets R.S. | |
| Specific Rotation [a]D20 | -32.5±2.0o(C=1 ,H2O) | -31.5o | |
| sical Characteristics | |||
| Loss of Drying | ≤1.0 | 0.19% | |
| Residual on Ignition | ≤1.0 | 0.13% | |
| water solution) | 5.5-6.5 | conforms | |
| Bulk Density | 0.35-0.50g/mL | 0.406g/ml | |
| Tapped Density | 0.60-0.75g/mL | 0.689g/ml | |
| Particle Size(#80) | 100% thru #80 | 100% thru #80 | |
| Residual Solvents | |||
| Methanol | ≤5000ppm | <10ppm | |
| Pesticide Residue | |||
| Pesticide Residue | Meet USP35<561> | Meet USP35<561> | |
| Assay | |||
| L-5-HTP | ≥98% | 98.07% | |
| Peak X/Peak X1 | Negative | Negative | |
| Impurity | |||
| Heavy Metal (as pb) | ≤10ppm | <10ppm | |
| Total Arsenic(as As) | ≤0.1ppm | <0.1ppm | |
| Lead (pb) | ≤0.1ppm | <0.1ppm | |
| Cadmium(Cd) | ≤0.1ppm | <0.1ppm | |
| Mercury(Hg) | ≤0.1ppm | <0.1ppm | |
| Aflao:p> | ≤10ppb | Negative | |
| Microbiological Characteristics | |||
| Total Plate Count | <1000 cfu/g | 100 cfu/g | |
| Yeast and Mold | <100 cfu/g | Negative | |
| Coliforms | <10 cfu/g | Negative | |
| Escherichia coli | Negative/10g | Negative/10g | |
| Salmonella enterica | Negative/10g | Negative/10g | |
| Stalococcus Aureus | Negative/10g | Negative/10g | |
| Conclusion |
| ||
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